Alabama Counties, Demographics & Geography
Complete official guide to all 67 counties in Alabama (AL). Explore 2024 US Census population estimates, county seats, FIPS codes, land areas, and interactive mapping tools powered by GeoMap Suite.
Alabama County Breakdown
Showing 8 of 8 documented counties and seats.
County Name | FIPS | County Seat | Population (Census) | Land Area | Quick Tool |
|---|---|---|---|---|---|
| Jefferson County | 01073 | Birmingham | 674,721 | 1,111 sq mi | Lookup |
| Mobile County | 01097 | Mobile | 414,809 | 1,229 sq mi | Lookup |
| Madison County | 01089 | Huntsville | 395,804 | 802 sq mi | Lookup |
| Baldwin County | 01003 | Bay Minette | 239,294 | 1,590 sq mi | Lookup |
| Montgomery County | 01101 | Montgomery | 228,949 | 784 sq mi | Lookup |
| Tuscaloosa County | 01125 | Tuscaloosa | 227,036 | 1,322 sq mi | Lookup |
| Shelby County | 01117 | Columbiana | 223,024 | 785 sq mi | Lookup |
| Lee County | 01081 | Opelika | 174,241 | 608 sq mi | Lookup |
Geographic Structure of Alabama Counties
County Administration & Governance
In Alabama, county governments manage vital public infrastructure, tax assessments, law enforcement, judicial courts, election administration, and public records. The county seat (Birmingham and other municipal headquarters) houses the primary courthouse, commissioners, and sheriff’s department.
All Alabama counties carry a unique 5-digit Federal Information Processing Standard (FIPS) code, where the first two digits (01) designate the state and the remaining three digits identify each specific jurisdiction.
Geographic & Demographic Highlights
- Most Populous County:Jefferson County (674,721 residents)
- Largest by Land Area:Baldwin County (1,590 sq mi)
- State Capital:Montgomery
- Census Bureau Region:South United States
Demographic calculations derive from the United States Census Bureau 2024 Population Estimates Program (PEP) and TIGER/Line geographic boundary files.